With floured rolling pin, roll dough 3/4 inch thick. With floured 3-inch round biscuit cutter, cut out biscuits. With pancake turner, place biscuits, about 1 inch apart, on ungreased large cookie sheet. Press trimmings together; roll and cut to make more biscuits (you will have about 6 biscuits). Bake 12 to 15 minutes until golden. Remove to wire rack.

Knead second one-third of dough with chopped walnuts, kneading about 6 to 8 strokes to mix thoroughly. Roll and cut dough as above. Brush biscuits with maple syrup; place on cookie sheet. Bake biscuits 12 to 15 minutes until golden. Remove to wire rack.

Meanwhile, knead remaining dough with Parmesan cheese and 1/2 teaspoon coarsely ground black pepper, kneading and cutting as above. Sprinkle top of biscuits with additional coarse pepper, if you like. Place on cookie sheet; bake as above.